CN101429899B - Control circuit - Google Patents
Control circuit Download PDFInfo
- Publication number
- CN101429899B CN101429899B CN 200810174585 CN200810174585A CN101429899B CN 101429899 B CN101429899 B CN 101429899B CN 200810174585 CN200810174585 CN 200810174585 CN 200810174585 A CN200810174585 A CN 200810174585A CN 101429899 B CN101429899 B CN 101429899B
- Authority
- CN
- China
- Prior art keywords
- control circuit
- comparator
- current
- voltage
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2017—Output circuits, e.g. for controlling currents in command coils using means for creating a boost current or using reference switching
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
Abstract
The invention relates to a control circuit with a low voltage region and a high voltage region comprising a current regulator, and is characterized in that the current regulator is provided with a first comparator with hysteresis for regulating current to be supplied, wherein the minimum and the maximum current regulation thresholds are realized by the hysteresis of the first comparator.
Description
Technical field
The present invention relates to a kind of with low-voltage area and high voltage region control circuit, described control circuit has current regulator.
Background technique
In the situation that internal-combustion engine can carry out fuel placement by means of valve or sparger (Injector).At this, the control of sparger is determined by spraying last utmost point scheme.By voltage-boosting stage, can be at injection beginning, use voltage higher than cell voltage (typically, for example 48V) to facilitate and open rapidly sprayer.With the control apparatus of the common rail of magnet valve sparger-last utmost point scheme of injection, that is to say coil or actuator, can be by controlling with the integrated switching circuit of integrated state machine or integrated state automata.In this case, described integrated switching circuit can have high pressure side path and low voltage side path, and it is connected with the side that is connected of described sparger respectively.By high pressure side along separate routes (High-Side-Shunt), the electric current in the path of high pressure side can be measured constantly and with current ratio in the low voltage side path.Therefore, can detect the short circuit currents that connect on sides at two of sparger.Thereby disconnecting after with respect to cell voltage or ground short circuit altogether within several microseconds, the rail end utmost point is possible.Thereby can avoid short circuit to destruction and the infringement of the last utmost point of common rail.
The rail scheme also is deep into NIC altogether.Particularly for the three-wheel traffic tool with one and two cylinder-motor, the last utmost point scheme of known injection is too expensive in Europe.In addition, be starkly lower than system requirements in Europe at the system requirements of NIC.Requiring at the canonical system of NIC is for example with being 2000...4500 rev/min to the maximum, 1100...1450 bar system pressure with two-cylinder-motor and maximum three sparger/motors.
Although the common rail control switch circuit without voltage-boosting stage and no current detection in the high voltage side current path can be realized by qurer, and therefore limited diagnosis possibility only is provided.
Summary of the invention
Under this background, introduce a kind of control circuit with low-voltage area and high voltage region by means of the present invention, described control circuit has current regulator, it is characterized in that, described current regulator has the first comparator with magnetic hysteresis, in order to the electric current that will provide to be provided, wherein minimum and maximum electric current adjusting threshold value realizes by the magnetic hysteresis of described the first comparator.Favourable expansion scheme can draw from ensuing description.
Core of the present invention is the low electronic control circuit of price, and this control circuit for example is suitable for the last utmost point of common rail in control gear.In the situation that the electronic switching circuit that use is simple and price is low and the diagnostic function of expansion can be realized a kind of control electronics, it for example can be used as the switching circuit of the last utmost point of common rail of diesel oil control gear.Described circuit topology also is suitable for BDE-system, namely gasoline-diesel oil-ejecting system in principle.
The method according to this invention is applied in common rail control circuit has series of advantages.Especially, can produce with respect to the up to the present cost saving of applied standard module, according to described standard module, via the control of custom-designed peripheral cell realization to the last utmost point of common rail.By independent realization, also can improve the variability of control circuit.in the situation that component failure for example the differentiator in periphery-IC (IC=intergrated circuit) require can be just not destroyed together at the control gear for NIC without using, described intergrated circuit arranges or optimised (Bei einem Entfall von Komponentenbraucht beispielsweise ein Vorhalt in einem Peripherie-IC (IC=IntegrierteSchaltung) with six air cylinder driven-envelope design, die auf eine Sechs-Zylinderbetrieb-Huellkurvendesignausgelegt bzw.optimiert ist, nicht unbenutzt mit in einem Steuergeraet fuerein Schwellenland verbaut werden).Difference between the inefficacy of parts is for example used by a cylinder and two cylinders produces.In addition, in the situation that use shielded high side switch with short-circuit current limitation and diagnosis output, can abandon the measurement to high voltage side current.Electric current is regulated and can be realized by the passing threshold comparator.Minimum and maximum electric current is regulated the threshold value magnetic hysteresis realization of passing threshold comparator at an easy rate.In this case, it is necessary there is no software adjustment.For boost phase, inrush current stage, keep the current phase current threshold different with recharging the stage regulation can be by PCM pulse code modulation the PWM-output signal by on the RC constituent element or realize with the voltage divider of conversion function for example.In the situation that excess current in the low voltage side path can be carried out the automatic disconnection low-side switch.In addition, the charging by the sparger inductance or to recharge for producing booster voltage be possible.In this case, the scheme of knowing and circuit can not made large modification and be reused.
According to embodiment, the present invention has realized the control circuit with low-voltage area or low pressure lateral areas and high voltage region or high pressure lateral areas, wherein said control circuit has current regulator, and described current regulator has with the first comparator of magnetic hysteresis in order to the electric current that will provide to be provided.
Described current regulator can have short-circuit proof switch in order to provide electric current in high voltage region.Described switch can have diagnosis output.Can abandon thus the measurement to electric current in high voltage region.
In addition, described current regulator has difference amplifier, and described difference amplifier is configured in order to the first input end at the first comparator difference amplifier voltage is provided, and this voltage is corresponding to the current value in low-voltage area.Can use the operational amplifier with rail-to-rail district (mit Rail to Rail-Bereich) in situation about alternatively, being necessary.Thus, described electric current in low-voltage area can be detected simple and economically.
In addition, described current regulator can have adjustment equipment, and this equipment is configured in order to the second input end at the first comparator predetermined at least adjustment voltage is provided, in order to the first comparator is adjusted to current threshold at least.Thereby can adjust economically the different value of the electric current that provides.
The first comparator can have feeder loop, and this feeder loop is configured in order to the first comparator is adjusted to the first conductive strips.By the first conductive strips, can adjust minimum value and maximum value that electric current will be provided.
In addition, described control circuit has accumulator, and accumulator is chargeable by means of electric current.Thus, described control circuit for example is suitable for the booster circuit as sparger.
Described control circuit can have broken-circuit controller, and it is configured in order to interrupt the charging to accumulator.Can change thus and spray last utmost point scheme.
For example, described broken-circuit controller can have time monitoring equipment, and it is configured in order to interrupt charging according to duration of charge.Therefore, can finish after the predetermined endurance the charging of accumulator.
Alternately or can be addedly, described broken-circuit controller can have current monitoring equipment, and it is configured in order to Limited Current or according to the intensity of electric current and interrupts charging.Thereby charging or electric current for example regulate can be in the situation that reach maximum current and be terminated.
In addition, described broken-circuit controller can have the second comparator, wherein predetermined at least adjustment voltage can be provided and can provide difference amplifier voltage at the second input end of the second comparator at the first input end of the second comparator.
In addition, described control circuit can have charging to be controlled, and it is configured in order to the activating charge pattern, carries out the charging to accumulator under this pattern.Thereby the use of the electric current that provides can be controlled.
When charge mode was not activated, described charging is controlled can be configured to activate the excess current recognition mode, wherein can be identified in the excess current of low-voltage area under the excess current recognition mode.Identification to excess current for example allows to open circuit, and damages in order to avoid.
In addition, described charging is controlled has the 3rd comparator, and wherein at the first input end of the 3rd comparator, difference amplifier voltage can be provided.
According to embodiment, described control circuit is applicable to control sparger.Thus, in the situation that use with threshold value comparator and the short-circuit proof high side switch of magnetic hysteresis, for example can be used as the control circuit of the rail end utmost point altogether that is used for of price optimum according to control circuit of the present invention.
Other advantage of the present invention and embodiment can draw from explanation and accompanying drawing.
Obviously, previous that mention and feature that next also will explain orally not only can and can or be used by other combination individually by each combination that provides, and does not depart from category of the present invention.
According to the embodiment in figure exemplarily illustrate the present invention and next reference drawing explain the present invention.
Description of drawings
Fig. 1 illustrates the circuit theory diagrams according to the preferably form of implementation of control circuit of the present invention.
Reference mark
100 control circuits
102 spargers
110 current regulators
112 accumulators
114 control circuits
116 broken-circuit controllers
130 difference amplifiers
131,160,180 comparators
132,164 short-circuit proof switches
135,136,137,138,140,141,144,144,146,161,163,164,181,182,183,186,188,189,193 resistance
139,142,143,162,184,187,190,191 transistors
112,147,148,149,166,192 capacitors
150,151,170,171 diodes
185 switches
Embodiment
Fig. 1 illustrates the circuit theory diagrams of control circuit 100 according to an embodiment of the invention.It should be understood that the modification of circuit theory diagrams and or to replenish be possible.For example, described control circuit 100 can be in the situation that use with the control circuit of the rail end utmost point altogether that is used for of the threshold value comparator price optimum of magnetic hysteresis.Described control circuit 100 is configured to provide the control electric current.Described control electric current can be provided between the first and second connecting ends of described control circuit 100.The first connecting end is arranged in the high voltage region (high pressure side) of described control circuit 100 and the second connecting end is arranged in the low-voltage area (low voltage side) of described control circuit 100.Can connect electronic load between the first and second connecting ends of described control circuit 100.According to described embodiment, connect injection valve or sparger 102 between the first and second connecting ends of described control circuit 100.In addition, the electric current that is provided by described control circuit 100 can be used to the charging to accumulator.According to described embodiment, described accumulator is the capacitor 112 that connects ground.
For the electric current that is provided by described control circuit 100 is provided, described control circuit 100 can have current regulator 110.Described current regulator 110 can be connected with the first and second connecting ends of described control circuit 100.In addition, described control circuit 100 can have boost pressure controller 114.Described capacitor 112 provides booster voltage for described boost pressure controller.Described boost pressure controller helps with the booster voltage control valve, in order to can turn off more rapidly valve.In addition, described control circuit 100 can have charge controller or low voltage side controller 116.Described charge controller or low voltage side controller 116 can be configured to activate charge mode or the excess current recognition mode of described control circuit 100.
Described current regulator 110 can have difference amplifier or operational amplifier 130, comparator 131 and switch 132.Switch 132 can be short-circuit proof switch.Described difference amplifier 130 can be configured to detect the electric current of described control circuit 100 in low-voltage area.Described comparator can be configured to regulate current value that described control circuit 100 provides and described switch 132 and can be configured in order to the first connecting end at described control circuit 100 electric current that is provided by described control circuit 100 is provided.
For detecting the electric current in low-voltage area, difference amplifier 130 can have two input ends, between described two input ends, resistance 134 can be set.Electric current in the low-voltage area of the described control circuit to be detected described resistance 134 of can flowing through.In addition, the connecting end of resistance 134 can be connected with the second connecting end of described control circuit 100 and the second connecting end of resistance 134 can be connected to the ground.Difference amplifier 130 can be configured in order to the first input end at comparator 131 voltage is provided, and described voltage is corresponding to the current value of the resistance 134 of flowing through.In addition, the output of difference amplifier 130 can be connected via the first input end of resistance 135 with comparator 131.Should be noted that difference amplifier as an alternative, can also the Application standard operational amplifier.
In addition, comparator 131 can have feeder loop, adopts this feeder loop, and comparator 131 can be adjusted to conductive strips.Upper value and the lower value of the electric current that is provided by control circuit 100 can be provided described conductive strips.In addition, feeder loop can have resistance 140, and described resistance is arranged between the output terminal of the first input end of described comparator 131 and comparator 131.
The output terminal of comparator 131 can be connected with supply voltage via resistance 141.In addition, the output terminal of comparator 131 can be connected with the control connection end of transistor 142.The source electrode connecting end of transistor 142 can be connected with ground.The drain electrode connecting end of transistor 142 can be connected with the drain electrode connecting end of transistor 143.The source electrode connecting end of transistor 143 can be connected to the ground and the control connection end is connected with microcontroller.Control accordingly by microcontroller, transistor 143 consists of the high pressure side selector switch.In addition, the drain electrode connecting end of transistor 142 can be connected with source voltage and via the input end of resistance 145 with switch 132 via resistance 144.In addition, the input end of switch 132 is connected to the ground via resistance 146.
Described charge controller or low voltage side control circuit 116 can be configured to control charge mode or excess current recognition mode or the current-limit mode of described control circuit 100.Under charge mode, the charging of capacitor 112 can be carried out via diode 171.Under the excess current recognition mode, can be identified in the excess current of low-voltage area.In addition, charge controller 116 can be connected between second connecting end and resistance 134 of control circuit 100.
Next further describe in the situation that use with the threshold value comparator 131,160 of magnetic hysteresis, 180 and short-circuit proof high side switch 132,165 price optimums shown in Figure 1 be used for the principle of work and power of the control circuit 100 of the rail end utmost point altogether.
On principle, press electric current clock (stromgetaktet) and drive the last utmost point scheme of common rail injection.In this case, the conductive strips with lower threshold value and upper threshold value have been set for current regulator 110.In the situation that use realizes described threshold value with the comparator 131 of magnetic hysteresis.Described current regulator 110 is realized by difference amplifier 130, wherein connected comparator 131 after described difference amplifier.To the setting of theoretical value based on the comparison device 131 negative input end and by voltage divider 136,137 or realize by PCM pulse code modulation.By voltage divider 136,137 accessible alternate path 138,139, adopt circuit output can realize until three different current thresholds.The conductive strips that described electric current is regulated are implemented at positive comparator input terminal by the feedback network 140 of comparator 131.Electric current on the low voltage side path is converted to voltage by difference amplifier 130 and is converted into the measured value of the positive input end of comparator 131.
Adjusting to described electric current is carried out via short-circuit proof high side switch 132, and according to described embodiment, described high side switch 132 is implemented as the n-slot field-effect transistor with integrated high-pressure side driver.In addition, alternatively, described high side switch 132 can have diagnosis output.Current measurement is undertaken by low voltage side-shunt 134.
The boost pressure controller of band booster voltage (typically being 48V) is de-energized after reaching maximum current or after reaching the maximum on-time.
Outage after reaching maximum boost current level realizes by the simple comparator 160 with magnetic hysteresis.Outage after the time of determining is by software-controller monitoring.
For making on time best, sparger 102 needs above-mentioned booster voltage.This voltage can be in the situation that use the DC/DC-transducer to produce or by the so-called generation that recharges via sparger.
Via sparger recharge or again charging only just can carry out requested the time ought not spray.Then, realize recharging by connecting low-side switch 190.Energy in sparger 102 provides in boost capacitor 112 by free wheeling diode 171.During less than typical 48V, described recharging just is activated when booster voltage.When recharging, be adjusted to the electric current less than typical 5A.Described adjusting is similar to be carried out the control of high side switch 132.If low-side switch 190 is not recharging under driving, it is in excess current outage recognition mode so.Therefore, the short circuit in the low voltage side path can be identified and can be prevented from the destruction of the last utmost point.
That the assembly of control circuit 100 described according to Fig. 1 is only exemplarily chosen and can substitute by other suitable assembly.Equally, the individual feature element can replace by other suitable functional element or circuit.The amount of mentioning, for example electric current, voltage and resistance value only exemplarily choose equally.Described embodiment for example can be used in conjunction with internal-combustion engine, and wherein fuel metering is controlled by means of the valve of electromagnetic field.Yet the magnet valve in the request that the application of the method according to this invention is not limited to reduce is the rail scheme altogether, has similarly or in controllers of corresponding request but can be used in all.
Claims (14)
1. the control circuit with low-voltage area and high voltage region (100), described control circuit (100) has current regulator (110), it is characterized in that, described current regulator (110) has the first comparator (131) with magnetic hysteresis, in order to the electric current that will provide to be provided, wherein minimum and maximum electric current adjusting threshold value realizes by the magnetic hysteresis of described the first comparator (131).
2. according to control circuit claimed in claim 1, it is characterized in that, described current regulator (110) has short-circuit proof switch (132), in order to described electric current to be provided in high voltage region.
3. according to the described control circuit of one of foregoing claim, it is characterized in that, described current regulator (110) has difference amplifier (130), described difference amplifier is configured in order to the first input end at described the first comparator (131) difference amplifier voltage is provided, and described difference amplifier voltage is corresponding to the current value in low-voltage area.
4. according to claim 1 or 2 described control circuits, it is characterized in that, described current regulator (110) has adjustment equipment (136,137,138,139), described adjustment equipment is configured in order to the second input end at described the first comparator (131) adjustment of predesignating at least voltage is provided, in order to described the first comparator is adjusted to current threshold at least.
5. according to claim 1 or 2 described control circuits, it is characterized in that, described the first comparator (131) has feeder loop (140), and described feeder loop is configured in order to described the first comparator is adjusted to the first conductive strips.
6. according to claim 1 or 2 described control circuits, it is characterized in that, described control circuit has accumulator (112), and described accumulator (112) charges by means of described electric current.
7. according to control circuit claimed in claim 6, it is characterized in that, described control circuit has the booster circuit of band broken-circuit controller (114), and described broken-circuit controller is configured in order to interruption and boosts or boost pressure controller.
8. according to control circuit claimed in claim 7, it is characterized in that, described booster circuit (114) has time monitoring equipment, and described time monitoring equipment is configured in order to interrupt boosting according to duration of charge.
9. according to control circuit claimed in claim 7, it is characterized in that, described boost pressure controller (114) has current monitoring equipment, and described current monitoring equipment is configured to limit described boost current.
10. according to control circuit claimed in claim 9, it is characterized in that, described broken-circuit controller (114) has the second comparator (160), wherein the adjustment voltage predesignated at least is provided and provides described difference amplifier voltage at the second input end of described the second comparator at the first input end of described the second comparator.
11. according to claim 1 or 2 described control circuits, it is characterized in that, described control circuit has charge controller (116), and described charge controller (116) is configured in order to the activating charge pattern, carries out the charging to accumulator under described charge mode.
12. according to the described control circuit of claim 11, it is characterized in that, when described charge mode is not activated, described charge controller (116) is configured to activate the excess current recognition mode, the excess current in wherein can being identified in described low-voltage area under described excess current recognition mode.
13. according to the described control circuit of claim 11, it is characterized in that, described charge controller (116) has the 3rd comparator (180) and wherein provides described difference amplifier voltage at the first input end of described the 3rd comparator.
14. according to claim 1 or 2 described control circuits, it is characterized in that, described control circuit is applicable to control sparger (102).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007053038.4 | 2007-11-07 | ||
| DE200710053038 DE102007053038A1 (en) | 2007-11-07 | 2007-11-07 | Electronic control circuit e.g. booster circuit, for controlling injector in internal-combustion engine of tricycle, has regulator with comparator with hysteresis for regulating current to be supplied, where regulator exhibits switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101429899A CN101429899A (en) | 2009-05-13 |
| CN101429899B true CN101429899B (en) | 2013-06-19 |
Family
ID=40530479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810174585 Active CN101429899B (en) | 2007-11-07 | 2008-11-06 | Control circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101429899B (en) |
| DE (1) | DE102007053038A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2470211B (en) * | 2009-05-14 | 2013-07-31 | Gm Global Tech Operations Inc | Hysteresis-type electronic controlling device for fuel injectors and associated method |
| TWI612797B (en) * | 2012-02-29 | 2018-01-21 | 新力股份有限公司 | Image processing device, image processing device method, recording medium, and program |
| JP2014159772A (en) * | 2013-02-20 | 2014-09-04 | Hitachi Automotive Systems Ltd | Control device for internal combustion engine |
| GB2550888B (en) * | 2016-05-27 | 2020-07-01 | Haldex Brake Prod Ab | A control circuit for operating inductive load devices, a braking system, and a vehicle including a braking system |
| CN107120201B (en) * | 2017-07-03 | 2019-06-21 | 山东建筑大学 | A kind of drive circuit of injector with arc-extinguishing circuit and current detecting |
| DE102018209680B4 (en) * | 2018-06-15 | 2023-08-10 | Vitesco Technologies Germany Gmbh | Circuit arrangement for operating a consumer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510903A (en) * | 1982-12-03 | 1985-04-16 | Fuji Jukogyo Kabushiki Kaisha | System for regulating the idle speed of an internal combustion engine |
| US5847592A (en) * | 1993-09-20 | 1998-12-08 | Deutsche Thomson-Brandt Gmbh | Driving circuit with several sensors |
| US5909111A (en) * | 1996-10-26 | 1999-06-01 | Robert Bosch Gmbh | Method and apparatus for controlling a current |
| CN1910358A (en) * | 2004-01-12 | 2007-02-07 | 西门子公司 | Control method and control device for an actuator |
-
2007
- 2007-11-07 DE DE200710053038 patent/DE102007053038A1/en active Pending
-
2008
- 2008-11-06 CN CN 200810174585 patent/CN101429899B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4510903A (en) * | 1982-12-03 | 1985-04-16 | Fuji Jukogyo Kabushiki Kaisha | System for regulating the idle speed of an internal combustion engine |
| US5847592A (en) * | 1993-09-20 | 1998-12-08 | Deutsche Thomson-Brandt Gmbh | Driving circuit with several sensors |
| US5909111A (en) * | 1996-10-26 | 1999-06-01 | Robert Bosch Gmbh | Method and apparatus for controlling a current |
| CN1910358A (en) * | 2004-01-12 | 2007-02-07 | 西门子公司 | Control method and control device for an actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101429899A (en) | 2009-05-13 |
| DE102007053038A1 (en) | 2009-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11152852B2 (en) | Bidirectional DC/DC converter and method for charging the intermediate circuit capacitor of a DC/DC converter from the low-voltage battery | |
| CN101429899B (en) | Control circuit | |
| CN101015114B (en) | Controller for permanent magnet alternator | |
| CN101630901B (en) | Switching regulator with boosted auxiliary winding supply | |
| CN104247564B (en) | The operational approach of LLC resonance converter, transducer and LED changer for illuminator | |
| CA2610566C (en) | Input current or voltage limited power supply | |
| WO2011113951A2 (en) | Modular led-lighting system | |
| CN101981795B (en) | Switching control method of transformer coupled booster | |
| CN104980050A (en) | System and Method for Switched-Mode Power Supply | |
| CN102192024A (en) | Injector drive circuit | |
| CN103997202B (en) | Electric power system and control method | |
| CN103296712B (en) | Charging circuits for energy storage device and method for charging energy storage device | |
| CN102713254B (en) | Multiplexing drive circuit for an AC ignition system | |
| US11239754B2 (en) | Bidirectional power converter, electric vehicle, and control method for bidirectional power converter | |
| CN102170233A (en) | Step-up converter for high speed solenoid valve driving | |
| CN107872155A (en) | Implementation for the spread spectrum with PFM patterns of DC to DC converter | |
| CN104300785A (en) | Power converter | |
| US7002323B2 (en) | Switching power supply circuit capable of reducing switching loss and control method used therein | |
| KR20220085934A (en) | Bidirectional insulating DC-DC converter and its control apparatus and operating method | |
| JP2010522839A (en) | Drive control circuit and drive control method for piezoelectric element | |
| US6489730B2 (en) | Discharge-lamp illumination circuit | |
| EP1522700B1 (en) | Voltage booster circuit for powering a piezoelectric actuator of an injector | |
| CN215186473U (en) | Switching power supply of alternating-current charging pile with high voltage withstanding grade | |
| CN102598467A (en) | Device for minimizing the current consumption of a motor vehicle generator from the battery during the starting phase of a motor vehicle | |
| WO2008064767A1 (en) | Power supply system for a vehicle, and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |